Color developer for leuco pigment and recording material compris

Details Color developer for leuco pigment and recording material compris Color developer for leuco pigment and recording material compris

1980-10-28

1982-09-14

Brown, J. Travis

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having a component wherein a constituent is liquid...

428341, 428511, 4301066, 430109, 430964, B32B 326

Patent

active

043496008

ABSTRACT:
Disclosed is a color developer for a leuco pigment, which comprises an oligomer or polymer of a vinyl phenol. When this color developer is used for developing the color of a leuco pigment, a color having a high density is developed even if the leuco pigment concentration is low.

REFERENCES:
patent: 3669658 (1972-06-01), Yonezawa et al.
patent: 3869292 (1975-03-01), Peters
patent: 4028340 (1977-06-01), Kanezaki
patent: 4076887 (1978-02-01), Tsuji et al.
patent: 4147645 (1979-04-01), Lu
patent: 4168845 (1979-09-01), Oeda et al.

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